Decided to do some detective work as per Frank's claim in Confirmed Dead. Went back to the Pilot and found that Greg Grunberg is indeed wearing a wedding ring. I've attached a screencap for you (from when the Pilot is handing Jack the transceiver) in case anyone asks.

Here is a screencap of the Oceanic Airlines Pilot (Greg Grunberg) on TV in the news report about Oceanic Airlines Flight 815.